@book{25646,
	author = {Hotchkiss, William Otis, and Bean, E. F.},
	title = {Mineral land classification,},
	publisher = {The State,},
	year = {1915.},
	series = {Wisconsin. Geological and natural history survey. Bulletin},
	address = {Madison, Wis.,},
	note = {Thesis note stamped on t.-p.}
}